/*
 * Copyright (C) 2000-2008 Jens Nixdorf and various contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies of the Software, its documentation and marketing & publicity
 * materials, and acknowledgment shall be given in the documentation, materials
 * and software packages that this Software was used.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.mopore.jat.util;

import java.util.StringTokenizer;

public class Version {
	
	private static final String DASH = "-";

	private static final String BLANK = " ";


	public enum VersionType { 
		
		RELEASE( "r" ), BRUNCH( "b" );
	
		private final String indicator;
	
		VersionType( String indicator ) {
			this.indicator = indicator;
		}
		
		
		public String getIndicator() {
			return indicator;
		}
		
	}
	
	final private VersionType versioneType;
	
	final private Version baseVersion;
	
	final private int major;
	
	final private int minor;
	
	final private int build;
	
	
	public Version( int major, int minor, int build ) {
		
		this.versioneType = VersionType.RELEASE;
		this.baseVersion = null;
		this.major = major;
		this.minor = minor;
		this.build = build;
	}
	
	
	public Version( Version baseVersion,  int major, int minor, int build  ) {
		
		this.versioneType = VersionType.BRUNCH;
		this.baseVersion = baseVersion;
		this.major = major;
		this.minor = minor;
		this.build = build;
	}
	
	
	public Version(String verionString) {
		
		StringTokenizer tokenizer = new StringTokenizer( verionString, "-" );
		tokenizer.nextToken();
		versioneType = VersionType.RELEASE;
		major = Integer.valueOf( tokenizer.nextToken() );
		minor = Integer.valueOf( tokenizer.nextToken() );
		build = Integer.valueOf( tokenizer.nextToken() );
		
		baseVersion = null;
	}


	@Override
	public String toString() {
		
		StringBuilder b = new StringBuilder();
		
		if ( baseVersion != null ) {
			b.append( baseVersion );
			b.append( BLANK );
		}
		
		b.append( versioneType.indicator );
		b.append( DASH );
		b.append( major );
		b.append( DASH );
		b.append( minor );
		b.append( DASH );
		b.append( build );
		
		return b.toString();
	}
	
	

}
